Hydroponic T5 Lamp Fixture, 4-Ft./4-Tube Designer System w/ BulbsHydrofarm's new Designer T5 System delivers performance, flexibility, and high lumen output in any growing environment. These daisy chainable systems allow you to choose multiple hanging configurations to meet your garden's design. They combine German specular aluminum with energy efficient high output T5 bulbs and put out double the light energy of normal fluorescent systems. Includes 4 fluorescent 6400K, T5 tubes.